cs50/style.css

body, html{
    font-family: Arial, Helvetica, sans-serif;
}
.bg{
    background-image: url(img/vinni.jpg);
    height: 100%;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 15px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.7);
}
.topnav {
    overflow: hidden;
    background-color: #242428;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
  }
.topnav a {
float: left;
display: block;
color: #f2f2f2;
text-align: center;
padding: 14px 16px;
text-decoration: none;
font-size: 17px;
}
.topnav a:hover {
    background-color: #ddd;
    color: black;
}
.topnav a.active {
    background-color: #04AA6D;
    color: white;
}
.topnav .icon {
    display: none;
}
.index-container{
    margin: 2rem 1.5rem;
}
.card{
    border-radius: 0px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    transition: 50ms;
    border-radius: 15px;
}
.mycard{
    padding: 1rem;
    margin: 0.5rem;
    white-space: nowrap;
    overflow-x: scroll;
}
tr {
    border-bottom: 1px solid #ddd;
}
td, th{
    padding-right: 1.5rem;
}
.datarow:hover{
    background-color: rgba(236, 238, 240, 0.821);
}
img{
    padding: 10px;
    border-radius: 20px;
}
iframe{
    width: 100vw;
    height: 95vh;
    padding: 0.5rem;
    border-radius: 1.5rem;
}
details[open] summary ~ * {
    animation: sweep .5s ease-in-out;
}
@media screen and (max-width:600px){
    .topnav a:not(:first-child) {display: none;}
    .topnav a.icon {
        float: right;
        display: block;
    }
}
@media screen and (max-width: 600px) {
    .topnav.responsive {position: relative;}
    .topnav.responsive .icon {
        position: absolute;
        right: 0;
        top: 0;
    }
    .topnav.responsive a {
        float: none;
        display: block;
        text-align: left;
    }
  }
  @keyframes sweep {
    0%      {opacity: 0; margin-left: -10px;}
    100%    {opacity: 1; margin-left: 0px;}
  }